Lighting devices that comprise one or more solid state light emitters

• US 9,518,715 B2
• Filed: 02/12/2010
• Issued: 12/13/2016
• Est. Priority Date: 02/12/2010
• Status: Active Grant

• Current Assignee: Creeled Incorporated
• Original Assignee: CREE Incorporated (Wolfspeed, Inc.)
• Inventors: Van De Ven, Antony Paul
• Primary Examiner(s): Hanley, Britt D
• Application Number:
  US12/704,995
• Publication Number:
  US 20110198984A1
• Time in Patent Office: 2,496 Days
• Field of Search: 313/318.01, 362/800
• US Class Current: 1/1
• CPC Class Codes: F21K 9/232 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
• CPC Class Codes: F21K 9/238 Arrangement or mounting of circuit elements integrated in the light source
• CPC Class Codes: F21V 19/003 Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
• CPC Class Codes: F21V 19/04 with provision for changing light source, e.g. turret auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006
• CPC Class Codes: F21V 23/005 the substrate is supporting also the light source
• CPC Class Codes: F21V 23/006 the substrate being distinct from the light source holder
• CPC Class Codes: F21V 3/00 Globes; Bowls; Cover glasses with refracting properties F21V5/00; with reflecting properties F21V7/00; characterised by cooling arrangements F21V29/506
• CPC Class Codes: F21Y 2105/00 Planar light sources
• CPC Class Codes: F21Y 2107/40 on the sides of polyhedrons, e.g. cubes or pyramids
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

Light engine modules comprise a support member and a solid state light emitter, in which (1) the emitter is mounted on the support member, (2) a region of the support member has a surface with a curved cross-section, (3) the emitter and a compensation circuit are mounted on the support member, (4) an electrical contact element extends to at least two surfaces of the support member, and/or (5) a substantial entirety of the module is located on one side of a plane and the emitter emits light into another side of the plane. Also, a module comprising means for supporting a light emitter and a light emitter. Also, a lighting device comprising a housing member and a light emitter mounted on a removable support member. Also, a lighting device comprising a module mounted in a lighting device element. Also, a method comprising mounting a module to a lighting device element.

Claims

1. A light engine module, comprising:

a first solid state light emitter support member; and

at least a first solid state light emitter,

the first solid state light emitter support member configured to be removably mounted entirely in a space defined by outermost regions of a housing member, directly on an inner portion of the housing member, the outermost regions of the housing member defining at least part of a shape of a lighting device.

34. A light engine module as recited in claim 1, wherein the lighting device comprises a lens, a housing member and an electrical connector.

35. A lighting device as recited in claim 34, wherein the electrical connector is an Edison plug.

36. A lighting device comprising:

a light engine module as recited in claim 1;

a lens;

a housing member; and

an electrical connector, outermost regions of the lens, the housing member and the electrical connector together defining at least part of a shape of the lighting device,

the first solid state light emitter support member removable from the housing member.

37. A lighting device as recited in claim 36, wherein the outermost regions of the housing member, together with the outermost regions of the lens and the electrical connector, define an entirety of the shape of the lighting device.

38. A lighting device as recited in claim 1, wherein:

the light engine module further comprises at least a first electrical contact element,

the first solid state light emitter is on a first surface of the first solid state light emitter support member, and

the first electrical contact element extends at least from the first surface of the solid state light emitter support member to a second surface of the solid state light emitter support member.

2. A lighting device, comprising:

a housing member, outermost regions of the housing member defining at least part of a shape of the lighting device;

at least a first solid state light emitter support member; and

at least a first solid state light emitter,

the first solid state light emitter directly supported and mounted on the first solid state light emitter support member,

the first solid state light emitter support member supported entirely within a space defined by the outermost regions of the housing member,

the first solid state light emitter support member directly on an inner portion of the housing member,

the first solid state light emitter support member removable from the housing member.

3. A lighting device as recited in claim 2, wherein the lighting device occupies substantially the same space as an A lamp.

4. A lighting device as recited in claim 2, wherein the lighting device occupies substantially the same space as an A19 lamp.

5. A lighting device as recited in claim 2, wherein at least a first region of the first solid state light emitter support member comprises a surface that has a curved cross-section.

6. A lighting device as recited in claim 5, wherein at least a portion of the curved cross-section is substantially arc-shaped.

7. A lighting device as recited in claim 5, wherein the lighting device, when supplied with electricity, emits light that is perceived as white light.

8. A lighting device as recited in claim 5, wherein the lighting device, when supplied with electricity, emits light that is perceived as blue light.

9. A lighting device as recited in claim 5, wherein the lighting device further comprises at least one lens and at least one electrical connector.

10. A lighting device as recited in claim 2, wherein the lighting device further comprises at least a first compensation circuit mounted on the first solid state light emitter support member.

11. A lighting device as recited in claim 10, wherein the first solid state light emitter is mounted on a first surface of the first solid state light emitter support member and the first compensation circuit is mounted on a second surface of the first solid state light emitter support member.

12. A lighting device as recited in claim 10, wherein the first compensation circuit comprises a temperature compensation circuit.

13. A lighting device as recited in claim 10, wherein the first compensation circuit comprises a color emission intensity compensation circuit.

14. A lighting device as recited in claim 10, wherein the lighting device, when supplied with electricity, emits light that is perceived as white light.

15. A lighting device as recited in claim 10, wherein the lighting device, when supplied with electricity, emits light that is perceived as blue light.

16. A lighting device as recited in claim 15, wherein the lighting device further comprises at least one lens and at least one electrical connector.

17. A lighting device as recited in claim 2, wherein:

the lighting device further comprises at least a first electrical contact element,

the first solid state light emitter is mounted on a first surface of the first solid state light emitter support member, and

the first electrical contact element extends at least from the first surface of the solid state light emitter support member to a second surface of the solid state light emitter support member.

18. A lighting device as recited in claim 17, wherein the second surface of the solid state light emitter support member comprises a surface that has a curved cross-section.

19. A lighting device as recited in claim 18, wherein at least a portion of the curved cross-section is substantially arc-shaped.

20. A lighting device as recited in claim 17, wherein the lighting device, when supplied with electricity, emits light that is perceived as white light.

21. A lighting device as recited in claim 17, wherein the lighting device, when supplied with electricity, emits light that is perceived as blue light.

22. A lighting device as recited in claim 17, wherein the lighting device further comprises at least one lens and at least one electrical connector.

23. A lighting device as recited in claim 2, wherein

a substantial entirety of the first solid state light emitter support member is located on a second side of an emission plane of the first solid state light emitter, and

substantially all of the light emitted by the first solid state light emitter is emitted into a first side of the emission plane of the first solid state light emitter.

24. A lighting device as recited in claim 23, wherein:

a first dimension of the first solid state light emitter support member, the first dimension the largest dimension of the first solid state light emitter support member extending in a first plane parallel to the emission plane of the first solid state light emitter, is at least as large as the largest dimension of the first solid state light emitter support member extending in any plane that is farther from the emission plane of the first solid state light emitter than the first plane and that is parallel to the emission plane of the first solid state light emitter.

25. A lighting device as recited in claim 24, wherein a second dimension of the first solid state light emitter support member is smaller than the first dimension of the first solid state light emitter support member, the second dimension the largest dimension of the first solid state light emitter support member extending in a second plane parallel to the emission plane of the first solid state light emitter, the second plane farther from the emission plane of the first solid state light emitter than the first plane.

26. A lighting device as recited in claim 23, wherein:

a first dimension of the first solid state light emitter support member, the first dimension extending in a first direction in a first plane parallel to the emission plane of the first solid state light emitter,

is at least as large as the dimension of the first solid state light emitter support member extending in any direction that is parallel to the first direction and that is in a second plane, the second plane farther from the emission plane of the first solid state light emitter than the first plane and the second plane parallel to the emission plane of the first solid state light emitter.

27. A lighting device as recited in claim 26, wherein a second dimension of the first solid state light emitter support member is smaller than the first dimension of the first solid state light emitter support member, the second dimension a dimension of the first solid state light emitter support member extending in a second plane parallel to the emission plane of the first solid state light emitter, the second plane farther from the emission plane of the first solid state light emitter than the first plane.

28. A lighting device as recited in claim 23, wherein a plurality of solid state light emitters are mounted on the first solid state light emitter support member, and substantially all of the light emitted by the plurality of solid state light emitters is emitted into the first side of the emission plane of the first solid state light emitter.

29. A lighting device as recited in claim 23, wherein the lighting device, when supplied with electricity, emits light that is perceived as white light.

30. A lighting device as recited in claim 23, wherein the lighting device, when supplied with electricity, emits light that is perceived as blue light.

31. A lighting device as recited in claim 23, wherein the lighting device further comprises at least one lens and at least one electrical connector.

32. A lighting device as recited in claim 2, wherein the lighting device further comprises a lens and an electrical connector, and the outermost regions of the housing member, outermost regions of the lens and outermost regions of the electrical connector together define the shape of the lighting device.

33. A lighting device as recited in claim 32, wherein the electrical connector is an Edison plug.